The following rules govern priority among conflicting security interests in the same deposit account:

(1) A security interest held by a secured party having control of the deposit account under Code Section 11-9-104 has priority over a conflicting security interest held by a secured party that does not have control;

(2) Except as otherwise provided in paragraphs (3) and (4) of this Code section, security interests perfected by control under Code Section 11-9-314 rank according to priority in time of obtaining control;

(3) Except as otherwise provided in paragraph (4) of this Code section, a security interest held by the bank with which the deposit account is maintained has priority over a conflicting security interest held by another secured party; and

(4) A security interest perfected by control under paragraph (3) of subsection (a) of Code Section 11-9-104 has priority over a security interest held by the bank with which the deposit account is maintained.